diff options
Diffstat (limited to 'udev/udev_rules_parse.c')
-rw-r--r-- | udev/udev_rules_parse.c | 181 |
1 files changed, 91 insertions, 90 deletions
diff --git a/udev/udev_rules_parse.c b/udev/udev_rules_parse.c index 90b139be4b..df7b57ba54 100644 --- a/udev/udev_rules_parse.c +++ b/udev/udev_rules_parse.c @@ -35,7 +35,7 @@ void udev_rules_iter_init(struct udev_rules *rules) { - dbg("bufsize=%zi\n", rules->bufsize); + dbg(rules->udev, "bufsize=%zi\n", rules->bufsize); rules->current = 0; } @@ -46,9 +46,9 @@ struct udev_rule *udev_rules_iter_next(struct udev_rules *rules) if (!rules) return NULL; - dbg("current=%zi\n", rules->current); + dbg(rules->udev, "current=%zi\n", rules->current); if (rules->current >= rules->bufsize) { - dbg("no more rules\n"); + dbg(rules->udev, "no more rules\n"); return NULL; } @@ -65,25 +65,25 @@ struct udev_rule *udev_rules_iter_label(struct udev_rules *rules, const char *la size_t start = rules->current; next: - dbg("current=%zi\n", rules->current); + dbg(rules->udev, "current=%zi\n", rules->current); if (rules->current >= rules->bufsize) { - err("LABEL='%s' not found, GOTO will be ignored\n", label); + err(rules->udev, "LABEL='%s' not found, GOTO will be ignored\n", label); rules->current = start; return NULL; } rule = (struct udev_rule *) (rules->buf + rules->current); if (strcmp(&rule->buf[rule->label.val_off], label) != 0) { - dbg("moving forward, looking for label '%s'\n", label); + dbg(rules->udev, "moving forward, looking for label '%s'\n", label); rules->current += sizeof(struct udev_rule) + rule->bufsize; goto next; } - dbg("found label '%s'\n", label); + dbg(rules->udev, "found label '%s'\n", label); return rule; } -static int get_key(char **line, char **key, enum key_operation *operation, char **value) +static int get_key(struct udev_rules *rules, char **line, char **key, enum key_operation *operation, char **value) { char *linepos; char *temp; @@ -127,29 +127,29 @@ static int get_key(char **line, char **key, enum key_operation *operation, char if (linepos[0] == '=' && linepos[1] == '=') { *operation = KEY_OP_MATCH; linepos += 2; - dbg("operator=match\n"); + dbg(rules->udev, "operator=match\n"); } else if (linepos[0] == '!' && linepos[1] == '=') { *operation = KEY_OP_NOMATCH; linepos += 2; - dbg("operator=nomatch\n"); + dbg(rules->udev, "operator=nomatch\n"); } else if (linepos[0] == '+' && linepos[1] == '=') { *operation = KEY_OP_ADD; linepos += 2; - dbg("operator=add\n"); + dbg(rules->udev, "operator=add\n"); } else if (linepos[0] == '=') { *operation = KEY_OP_ASSIGN; linepos++; - dbg("operator=assign\n"); + dbg(rules->udev, "operator=assign\n"); } else if (linepos[0] == ':' && linepos[1] == '=') { *operation = KEY_OP_ASSIGN_FINAL; linepos += 2; - dbg("operator=assign_final\n"); + dbg(rules->udev, "operator=assign_final\n"); } else return -1; /* terminate key */ temp[0] = '\0'; - dbg("key='%s'\n", *key); + dbg(rules->udev, "key='%s'\n", *key); /* skip whitespace after operator */ while (isspace(linepos[0])) @@ -169,7 +169,7 @@ static int get_key(char **line, char **key, enum key_operation *operation, char return -1; temp[0] = '\0'; temp++; - dbg("value='%s'\n", *value); + dbg(rules->udev, "value='%s'\n", *value); /* move line to next key */ *line = temp; @@ -178,7 +178,7 @@ static int get_key(char **line, char **key, enum key_operation *operation, char } /* extract possible KEY{attr} */ -static char *get_key_attribute(char *str) +static char *get_key_attribute(struct udev_rules *rules, char *str) { char *pos; char *attr; @@ -188,11 +188,11 @@ static char *get_key_attribute(char *str) attr++; pos = strchr(attr, '}'); if (pos == NULL) { - err("missing closing brace for format\n"); + err(rules->udev, "missing closing brace for format\n"); return NULL; } pos[0] = '\0'; - dbg("attribute='%s'\n", attr); + dbg(rules->udev, "attribute='%s'\n", attr); return attr; } @@ -213,13 +213,13 @@ static int add_rule_key(struct udev_rule *rule, struct key *key, return 0; } -static int add_rule_key_pair(struct udev_rule *rule, struct key_pairs *pairs, +static int add_rule_key_pair(struct udev_rules *rules, struct udev_rule *rule, struct key_pairs *pairs, enum key_operation operation, const char *key, const char *value) { size_t key_len = strnlen(key, PATH_SIZE); if (pairs->count >= PAIRS_MAX) { - err("skip, too many keys of the same type in a single rule\n"); + err(rules->udev, "skip, too many keys of the same type in a single rule\n"); return -1; } @@ -259,14 +259,14 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena char *value; enum key_operation operation = KEY_OP_UNSET; - retval = get_key(&linepos, &key, &operation, &value); + retval = get_key(rules, &linepos, &key, &operation, &value); if (retval) break; if (strcasecmp(key, "ACTION") == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid ACTION operation\n"); + err(rules->udev, "invalid ACTION operation\n"); goto invalid; } add_rule_key(rule, &rule->action, operation, value); @@ -277,7 +277,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena if (strcasecmp(key, "DEVPATH") == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid DEVPATH operation\n"); + err(rules->udev, "invalid DEVPATH operation\n"); goto invalid; } add_rule_key(rule, &rule->devpath, operation, value); @@ -288,7 +288,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena if (strcasecmp(key, "KERNEL") == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid KERNEL operation\n"); + err(rules->udev, "invalid KERNEL operation\n"); goto invalid; } add_rule_key(rule, &rule->kernel, operation, value); @@ -299,7 +299,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena if (strcasecmp(key, "SUBSYSTEM") == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid SUBSYSTEM operation\n"); + err(rules->udev, "invalid SUBSYSTEM operation\n"); goto invalid; } /* bus, class, subsystem events should all be the same */ @@ -307,7 +307,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena strcmp(value, "bus") == 0 || strcmp(value, "class") == 0) { if (strcmp(value, "bus") == 0 || strcmp(value, "class") == 0) - err("'%s' must be specified as 'subsystem' \n" + err(rules->udev, "'%s' must be specified as 'subsystem' \n" "please fix it in %s:%u", value, filename, lineno); add_rule_key(rule, &rule->subsystem, operation, "subsystem|class|bus"); } else @@ -319,7 +319,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena if (strcasecmp(key, "DRIVER") == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid DRIVER operation\n"); + err(rules->udev, "invalid DRIVER operation\n"); goto invalid; } add_rule_key(rule, &rule->driver, operation, value); @@ -328,12 +328,12 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena } if (strncasecmp(key, "ATTR{", sizeof("ATTR{")-1) == 0) { - attr = get_key_attribute(key + sizeof("ATTR")-1); + attr = get_key_attribute(rules, key + sizeof("ATTR")-1); if (attr == NULL) { - err("error parsing ATTR attribute\n"); + err(rules->udev, "error parsing ATTR attribute\n"); goto invalid; } - if (add_rule_key_pair(rule, &rule->attr, operation, attr, value) != 0) + if (add_rule_key_pair(rules, rule, &rule->attr, operation, attr, value) != 0) goto invalid; valid = 1; continue; @@ -343,7 +343,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena strcasecmp(key, "ID") == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid KERNELS operation\n"); + err(rules->udev, "invalid KERNELS operation\n"); goto invalid; } add_rule_key(rule, &rule->kernels, operation, value); @@ -355,7 +355,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena strcasecmp(key, "BUS") == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid SUBSYSTEMS operation\n"); + err(rules->udev, "invalid SUBSYSTEMS operation\n"); goto invalid; } add_rule_key(rule, &rule->subsystems, operation, value); @@ -366,7 +366,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena if (strcasecmp(key, "DRIVERS") == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid DRIVERS operation\n"); + err(rules->udev, "invalid DRIVERS operation\n"); goto invalid; } add_rule_key(rule, &rule->drivers, operation, value); @@ -378,35 +378,35 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena strncasecmp(key, "SYSFS{", sizeof("SYSFS{")-1) == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid ATTRS operation\n"); + err(rules->udev, "invalid ATTRS operation\n"); goto invalid; } - attr = get_key_attribute(key + sizeof("ATTRS")-1); + attr = get_key_attribute(rules, key + sizeof("ATTRS")-1); if (attr == NULL) { - err("error parsing ATTRS attribute\n"); + err(rules->udev, "error parsing ATTRS attribute\n"); goto invalid; } if (strncmp(attr, "device/", 7) == 0) - err("the 'device' link is deprecated and will be removed from a future kernel, \n" + err(rules->udev, "the 'device' link is deprecated and will be removed from a future kernel, \n" "please fix it in %s:%u", filename, lineno); else if (strstr(attr, "../") != NULL) - err("do not reference parent sysfs directories directly, that may break with a future kernel, \n" + err(rules->udev, "do not reference parent sysfs directories directly, that may break with a future kernel, \n" "please fix it in %s:%u", filename, lineno); - if (add_rule_key_pair(rule, &rule->attrs, operation, attr, value) != 0) + if (add_rule_key_pair(rules, rule, &rule->attrs, operation, attr, value) != 0) goto invalid; valid = 1; continue; } if (strncasecmp(key, "ENV{", sizeof("ENV{")-1) == 0) { - attr = get_key_attribute(key + sizeof("ENV")-1); + attr = get_key_attribute(rules, key + sizeof("ENV")-1); if (attr == NULL) { - err("error parsing ENV attribute\n"); + err(rules->udev, "error parsing ENV attribute\n"); goto invalid; } if (strncmp(attr, "PHYSDEV", 7) == 0) physdev = 1; - if (add_rule_key_pair(rule, &rule->env, operation, attr, value) != 0) + if (add_rule_key_pair(rules, rule, &rule->env, operation, attr, value) != 0) goto invalid; valid = 1; continue; @@ -421,7 +421,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena if (strcasecmp(key, "RESULT") == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid RESULT operation\n"); + err(rules->udev, "invalid RESULT operation\n"); goto invalid; } add_rule_key(rule, &rule->result, operation, value); @@ -430,15 +430,15 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena } if (strncasecmp(key, "IMPORT", sizeof("IMPORT")-1) == 0) { - attr = get_key_attribute(key + sizeof("IMPORT")-1); + attr = get_key_attribute(rules, key + sizeof("IMPORT")-1); if (attr != NULL && strstr(attr, "program")) { - dbg("IMPORT will be executed\n"); + dbg(rules->udev, "IMPORT will be executed\n"); rule->import_type = IMPORT_PROGRAM; } else if (attr != NULL && strstr(attr, "file")) { - dbg("IMPORT will be included as file\n"); + dbg(rules->udev, "IMPORT will be included as file\n"); rule->import_type = IMPORT_FILE; } else if (attr != NULL && strstr(attr, "parent")) { - dbg("IMPORT will include the parent values\n"); + dbg(rules->udev, "IMPORT will include the parent values\n"); rule->import_type = IMPORT_PARENT; } else { /* figure it out if it is executable */ @@ -460,12 +460,12 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena pos[0] = '\0'; } - dbg("IMPORT auto mode for '%s'\n", file); + dbg(rules->udev, "IMPORT auto mode for '%s'\n", file); if (!lstat(file, &statbuf) && (statbuf.st_mode & S_IXUSR)) { - dbg("IMPORT is executable, will be executed (autotype)\n"); + dbg(rules->udev, "IMPORT is executable, will be executed (autotype)\n"); rule->import_type = IMPORT_PROGRAM; } else { - dbg("IMPORT is not executable, will be included as file (autotype)\n"); + dbg(rules->udev, "IMPORT is not executable, will be included as file (autotype)\n"); rule->import_type = IMPORT_FILE; } } @@ -477,10 +477,10 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena if (strncasecmp(key, "TEST", sizeof("TEST")-1) == 0) { if (operation != KEY_OP_MATCH && operation != KEY_OP_NOMATCH) { - err("invalid TEST operation\n"); + err(rules->udev, "invalid TEST operation\n"); goto invalid; } - attr = get_key_attribute(key + sizeof("TEST")-1); + attr = get_key_attribute(rules, key + sizeof("TEST")-1); if (attr != NULL) rule->test_mode_mask = strtol(attr, NULL, 8); add_rule_key(rule, &rule->test, operation, value); @@ -489,7 +489,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena } if (strncasecmp(key, "RUN", sizeof("RUN")-1) == 0) { - attr = get_key_attribute(key + sizeof("RUN")-1); + attr = get_key_attribute(rules, key + sizeof("RUN")-1); if (attr != NULL) { if (strstr(attr, "ignore_error")) rule->run_ignore_error = 1; @@ -518,19 +518,19 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena } if (strncasecmp(key, "NAME", sizeof("NAME")-1) == 0) { - attr = get_key_attribute(key + sizeof("NAME")-1); + attr = get_key_attribute(rules, key + sizeof("NAME")-1); if (attr != NULL) { if (strstr(attr, "all_partitions") != NULL) { - dbg("creation of partition nodes requested\n"); + dbg(rules->udev, "creation of partition nodes requested\n"); rule->partitions = DEFAULT_PARTITIONS_COUNT; } if (strstr(attr, "ignore_remove") != NULL) { - dbg("remove event should be ignored\n"); + dbg(rules->udev, "remove event should be ignored\n"); rule->ignore_remove = 1; } } if (value[0] == '\0') - dbg("name empty, node creation supressed\n"); + dbg(rules->udev, "name empty, node creation supressed\n"); add_rule_key(rule, &rule->name, operation, value); continue; } @@ -552,8 +552,8 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena strtoul(value, &endptr, 10); if (endptr[0] != '\0') { char owner[32]; - uid_t uid = lookup_user(value); - dbg("replacing username='%s' by id=%i\n", value, uid); + uid_t uid = lookup_user(rules->udev, value); + dbg(rules->udev, "replacing username='%s' by id=%i\n", value, uid); sprintf(owner, "%u", (unsigned int) uid); add_rule_key(rule, &rule->owner, operation, owner); continue; @@ -571,8 +571,8 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena strtoul(value, &endptr, 10); if (endptr[0] != '\0') { char group[32]; - gid_t gid = lookup_group(value); - dbg("replacing groupname='%s' by id=%i\n", value, gid); + gid_t gid = lookup_group(rules->udev, value); + dbg(rules->udev, "replacing groupname='%s' by id=%i\n", value, gid); sprintf(group, "%u", (unsigned int) gid); add_rule_key(rule, &rule->group, operation, group); continue; @@ -593,26 +593,26 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena const char *pos; if (strstr(value, "last_rule") != NULL) { - dbg("last rule to be applied\n"); + dbg(rules->udev, "last rule to be applied\n"); rule->last_rule = 1; } if (strstr(value, "ignore_device") != NULL) { - dbg("device should be ignored\n"); + dbg(rules->udev, "device should be ignored\n"); rule->ignore_device = 1; } if (strstr(value, "ignore_remove") != NULL) { - dbg("remove event should be ignored\n"); + dbg(rules->udev, "remove event should be ignored\n"); rule->ignore_remove = 1; } pos = strstr(value, "link_priority="); if (pos != NULL) { rule->link_priority = atoi(&pos[strlen("link_priority=")]); - dbg("link priority=%i\n", rule->link_priority); + dbg(rules->udev, "link priority=%i\n", rule->link_priority); } pos = strstr(value, "event_timeout="); if (pos != NULL) { rule->event_timeout = atoi(&pos[strlen("event_timeout=")]); - dbg("event timout=%i\n", rule->event_timeout); + dbg(rules->udev, "event timout=%i\n", rule->event_timeout); } pos = strstr(value, "string_escape="); if (pos != NULL) { @@ -623,18 +623,18 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena rule->string_escape = ESCAPE_REPLACE; } if (strstr(value, "all_partitions") != NULL) { - dbg("creation of partition nodes requested\n"); + dbg(rules->udev, "creation of partition nodes requested\n"); rule->partitions = DEFAULT_PARTITIONS_COUNT; } valid = 1; continue; } - err("unknown key '%s' in %s:%u\n", key, filename, lineno); + err(rules->udev, "unknown key '%s' in %s:%u\n", key, filename, lineno); } if (physdev && rule->wait_for.operation == KEY_OP_UNSET) - err("PHYSDEV* values are deprecated and will be removed from a future kernel, \n" + err(rules->udev, "PHYSDEV* values are deprecated and will be removed from a future kernel, \n" "please fix it in %s:%u", filename, lineno); /* skip line if not any valid key was found */ @@ -644,23 +644,23 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena /* grow buffer and add rule */ rule_size = sizeof(struct udev_rule) + rule->bufsize; padding = (sizeof(size_t) - rule_size % sizeof(size_t)) % sizeof(size_t); - dbg("add %zi padding bytes\n", padding); + dbg(rules->udev, "add %zi padding bytes\n", padding); rule_size += padding; rule->bufsize += padding; rules->buf = realloc(rules->buf, rules->bufsize + rule_size); if (!rules->buf) { - err("realloc failed\n"); + err(rules->udev, "realloc failed\n"); goto exit; } - dbg("adding rule to offset %zi\n", rules->bufsize); + dbg(rules->udev, "adding rule to offset %zi\n", rules->bufsize); memcpy(rules->buf + rules->bufsize, rule, rule_size); rules->bufsize += rule_size; exit: return 0; invalid: - err("invalid rule '%s:%u'\n", filename, lineno); + err(rules->udev, "invalid rule '%s:%u'\n", filename, lineno); return -1; } @@ -676,10 +676,10 @@ static int parse_file(struct udev_rules *rules, const char *filename) int retval = 0; if (file_map(filename, &buf, &bufsize) != 0) { - err("can't open '%s' as rules file: %s\n", filename, strerror(errno)); + err(rules->udev, "can't open '%s' as rules file: %s\n", filename, strerror(errno)); return -1; } - info("reading '%s' as rules file\n", filename); + info(rules->udev, "reading '%s' as rules file\n", filename); /* loop through the whole file */ cur = 0; @@ -705,7 +705,7 @@ static int parse_file(struct udev_rules *rules, const char *filename) continue; if (count >= sizeof(line)) { - err("line too long, rule skipped '%s:%u'\n", filename, lineno); + err(rules->udev, "line too long, rule skipped '%s:%u'\n", filename, lineno); continue; } @@ -718,7 +718,7 @@ static int parse_file(struct udev_rules *rules, const char *filename) } line[j] = '\0'; - dbg("read '%s'\n", line); + dbg(rules->udev, "read '%s'\n", line); add_to_rules(rules, line, filename, lineno); } @@ -726,7 +726,7 @@ static int parse_file(struct udev_rules *rules, const char *filename) return retval; } -int udev_rules_init(struct udev_rules *rules, int resolve_names) +int udev_rules_init(struct udev *udev, struct udev_rules *rules, int resolve_names) { struct stat statbuf; char filename[PATH_MAX]; @@ -737,28 +737,29 @@ int udev_rules_init(struct udev_rules *rules, int resolve_names) int retval = 0; memset(rules, 0x00, sizeof(struct udev_rules)); + rules->udev = udev; rules->resolve_names = resolve_names; - if (udev_rules_dir[0] != '\0') { + if (udev_get_rules_path(udev) != NULL) { /* custom rules location for testing */ - add_matching_files(&name_list, udev_rules_dir, ".rules"); + add_matching_files(udev, &name_list, udev_get_rules_path(udev), ".rules"); } else { /* read user/custom rules */ - add_matching_files(&name_list, SYSCONFDIR "/udev/rules.d", ".rules"); + add_matching_files(udev, &name_list, SYSCONFDIR "/udev/rules.d", ".rules"); /* read dynamic/temporary rules */ - strlcpy(filename, udev_root, sizeof(filename)); + strlcpy(filename, udev_get_dev_path(udev), sizeof(filename)); strlcat(filename, "/.udev/rules.d", sizeof(filename)); if (stat(filename, &statbuf) != 0) { - create_path(filename); - selinux_setfscreatecon(filename, NULL, S_IFDIR|0755); + create_path(udev, filename); + selinux_setfscreatecon(udev, filename, NULL, S_IFDIR|0755); mkdir(filename, 0755); - selinux_resetfscreatecon(); + selinux_resetfscreatecon(udev); } - add_matching_files(&sort_list, filename, ".rules"); + add_matching_files(udev, &sort_list, filename, ".rules"); /* read default rules */ - add_matching_files(&sort_list, UDEV_PREFIX "/lib/udev/rules.d", ".rules"); + add_matching_files(udev, &sort_list, UDEV_PREFIX "/lib/udev/rules.d", ".rules"); /* sort all rules files by basename into list of files */ list_for_each_entry_safe(sort_loop, sort_tmp, &sort_list, node) { @@ -774,7 +775,7 @@ int udev_rules_init(struct udev_rules *rules, int resolve_names) continue; if (strcmp(name_base, sort_base) == 0) { - info("rule file '%s' already added, ignoring '%s'\n", + info(udev, "rule file '%s' already added, ignoring '%s'\n", name_loop->name, sort_loop->name); list_del(&sort_loop->node); free(sort_loop); @@ -796,9 +797,9 @@ int udev_rules_init(struct udev_rules *rules, int resolve_names) if (statbuf.st_size) parse_file(rules, name_loop->name); else - dbg("empty rules file '%s'\n", name_loop->name); + dbg(udev, "empty rules file '%s'\n", name_loop->name); } else - err("could not read '%s': %s\n", name_loop->name, strerror(errno)); + err(udev, "could not read '%s': %s\n", name_loop->name, strerror(errno)); list_del(&name_loop->node); free(name_loop); } |